
#window{ width:100%; overflow:hidden; }
#pagina{ width:980px; margin:0 auto 0 auto; height:auto;  position:relative; z-index:1; }
#cabecera{ position:relative; float:left; width:980px; height:auto; padding:50px 0 0 0; }
#cuerpo{ position:relative; float:left; width:980px; height:auto; padding:14px 15px 0 15px; }
#pie_pagina{ position:relative; float:left; width:980px; height:auto; padding:14px 15px 0 15px; margin:0 0 20px 0; }